Fluconazole 150mg Capsule Fluconazole 150mg Capsule is a single dose treatment for vaginal thrush & for a male partner if he has thrush on his penis. Vaginal thrush is the common term for infections of the vagina with Candida species of fungi, which cause inflammation & discharge from the vagina. In men, thrush causes soreness & redness of the penis, tightness of the foreskin, or a white, odourless discharge from the penis.